European survivalists Marie and Olivier are dropped into the Colombian jungle and face a punishing 21-day challenge. Aggressive caiman, insects and extreme temperatures test their physical and mental resolve. Their journey is translated into English.

Survivalists Sarah and Robin take on 21 days in the forests of Northern Croatia, and try and survive among wild bears, wolves and boar. Hypothermic temperatures and bad storms push them to their limits. Their journey is translated into English.

European survivalists Gabrielle and Patrick are dropped into the heat-stricken bush of South Africa. Different survival strategies lead to a separation of camps, leaving both vulnerable to circling predators. Their journey is translated into English.

Survivalists Emmanuelle and Kevin are dropped in the Colombian jungle to try and survive for 21 days surrounded by jaguars, poisonous snakes and relentless bugs; they're able to secure some food, but one of them is a picky eater.

Maxence and Julie are dropped deep in the Croatian wilderness in a hunting ground to bears, wolves, wild boars and vipers. Tensions rise quickly, but in a challenging environment they have to make it work. Their journey is translated into English.

Géraldine and Louri are dropped into the hunting grounds of the South African bush where danger is a constant and the blistering sun destroys anyone in its path.

Stephanie and Steven are dropped into the hostile Colombian jungle.

Michael and Benedicte are dropped in the middle of a forest in Croatia.

Julien and Jennifer face the dangerous South African bush.

Pascale and Eddy are dropped in the hostile Colombian rainforest.

Pascal and Lea are face the Croatian forest with vipers, bears and wolves.

Laurent and Valerie land in a heat-stricken savannah in South Africa.